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m5 Model.) 2 Sheets-Sheet 1.

- 0. 0. WALKER.

CYCLONE GAVE.

No. 503,689. Patented Aug. 22, 1893.

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. 2 Sheets-Sheet'2. 0.0. WALKER. CYCLONE GAVE. No. 503,689 Patented Aug22, 1893.

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NITED STATES PATENT OFFICE.

ORLANDO OWEN WALKER, OF BEDFORD, IOWA, ASSIGNOR OF TWO-THIRDS TO B. G.MOON AND O. S. MGOLOUD, OF SAME PLACE.

CYC LON E-CAVE.

SPECIFICATION forming part. of Letters Patent No. 503,689, dated August22, 1893.

Application filed March 27, 1893.

To all whom it may concern.-

Be it known that I, ORLANDO OWEN WAL- KER, a citizen of the UnitedStates, residing at Bedford, in the county of Taylor and State of Iowa,have invented a new and useful Cyclone- Oave, of which the following isa specification.

My invention relates to improvements in cyclone-caves or subterraneouscellars; the objects in view being to provide a'retreat of this classwhich shall be water or moistureproof as well as proof against allburrowing animals; which shall be snugand safe, strong and durable; andprovided with a ventilating means controlled by the person or personsoccupying the same.

With these and various other objects in view the invention consists incertain features of construction hereinafter specified and particularlypointed out in the claims.

Referring to the drawings :Figure 1 is a perspective view of acyclone-cave constructed in accordance with my invention. Fig. 2 isavertical longitudinal sectional view. Fig. 3 is a horizontal sectionalView. Fig. 4 is a detail in perspective of one of the maintiling-sections. Fig. 5 is a similar View of one of the intermediatetiling-sections. Fig. 6 is a similar view of one of the dometiling-sections.

Like numerals of reference indicate like parts in all the figures of thedrawings.

The cave consists of two principal parts, the cave proper, designated as1; and the cellar-way, designated as 2; the latter being provided withthe steps to give ingress and egress to and from the cave.

In constructing the cellar-way I employ a series of vertical slabs 3,the same being set edge to edge and having their upper and lower edgesinclined, the shortest slabs being toward the outer ends of the series.These slabs are connected at their front ends by a transverse slab 4.The slabs 3 and 4 have their upper ends adjacent to their side edgesprovided with sockets 5, and inverted U-shaped keys 6 have theirterminals let into the sockets and serve as securing-devices for keyingthe slabs together. These keys are fastened in position by means ofcement, lead, or other agent.

Serial No. 467,832. (No model.)

The side edges of the slabs 3 and 4.- are provided with vertical grooves7, and into these grooves, which as shown, meet, is poured liquidcement, whereby a water-tight joint is formed between the slabs. Adoor-frame 8, surmounts the slabs, and to this is hinged, as at 9, adoor 10, adapted to open outward.

Vertical guard-slabs 11, are secured to the side-Walls of the cellar,and the same are con nected above said side-walls by a transverseguard-slab 12, metal angle-plates 13, serving as a means for securingthese slabs 11 and 12 together. These slabs rising above the door aredesigned to prevent loose earth and other debris falling thereover andinterfering with free ingress and egress to and from the cave.

A vertical door-frame 15, is located between the rear vertical ends ofthe side-walls, and from the outer end of the inclined door-frame 8 to apoint near said door-frame 15 leads a flight of steps 16. Horizontalbraces 17, are interposed between the upper step of the flight and thevertical sides of the door-frame 15; and bolts 18, embedded in cementare passed through the centers of the vertical slabs 3 and thehorizontal braces 17 Eyebolts 19, are passed through the vertical slabs3 at different points, said eye-bolts in this instance being three innumber and arranged to form a triangle. The bolts are provided at theirinner ends with nuts 20, by which they may be made adjustable, and theirouter ends or eyes are loosely connected with hooks 21 formed on theupper ends of a series of rods 22, whose opposite ends converge and areloosely engaged with the eyes of bolts 23, which pass through thecenters of anchoringplates 24, and in rear of the same are provided withnuts 25. These anchoring-plates are buried in the soil to a sufiicientdepth, the depth agreeing with the nature of the soil; if hard andcompact it is not necessary to bury the plates to any very great depth,but otherwise, where the soil is free or soft. By an adjustment of thenuts either or 25 it will be seen that the plates, through the medium ofthe rods, draw upon the side-walls of the cellar and serve to securelyanchor the same in position.

The cave proper consists in this instance its upper edge with anoffset-flange 30. The

lower edge of the lower series of sections rest upon a tiled floor 31,the tiles being arranged in a SGI'lGSOf concentric circles, whose jointsare cemented, and built upon a concrete foundation so as to render theflooring dry and lmp'ervious to any moisture.

tions 26, 27, 28 and 29 sockets or holes 33 are formed, and U-shapedkeys are employed and have their ends cemented in the sockets forsecuring the sections together.

ter the sections .have been assembled, and said key is provided with acircular opening 3.6,, and an, external flange 37, the latteroverlapping the roof or dome of the cave. A pipe 38, is located in theopening of the key, and above said pipe a conical ventilating-cap 39 issupported. A rod 40, terminating in ahandle, passes through the pipe andis secured tothe cap, and through the medium of the same the cap may beraised and lowered so i as to open the upper end of the pipe or close itmore or less, and thus prevent the entrance of snow, rain and sleet oradmit of a supply of fresh air. cap and have frictional contact with theinnor surface of the pipe so that the cap is adjnsted at any desiredelevation,

The various'sections described in the construction of the device arepreferably formed the sections, namely, those adjacent to the cellar ofevery other tier, of halt-length, and

each end-section is connected to the cellar by means of L-shaped keys orbolts 43.

tion with the accompanying drawings it will be seen that I have provideda cave that will be dry and proof against moisture of any kind, whichwhen buried in the ground will form a safe retreat in case of cyclonesand one in which a. thorough ventilation may be maintained, the samebeing under the control of the user or occupant.

In setting or laying the floor, it will be no- 4 In the up: 3 per endsand near the side-edges of the sec- The sideedges of the sections 26 and27 are grooved, andinto these liquid cement is poured,whereg by tightand impervious joints are formed; The sections 28 are flangeless, butthe super- 1 imposed sections 29 are provided at their lower f edgeswith flanges 34, which overlap the upper edges of the sections 28. Bothsections 28 and 1 29 are slightlytapered from theirlower to their upperends and the sections 29 are curved.i An annular key 35, is seated inthe circular opening that is left at the top of the cave at- Wire-arms41, depend from the ticed that the sameis supported by a'concrete bed42. The tile sections areall laid, about a central circular section 43,which is the last one laid, it being understood that the sections arecemented together. This central section 43 is laid directly over a hole44 in the cement bed, into which the moisture drains during the settingof the tiles, and from which it is from time to time bailed. When'finallyit is desired to lay the central section and complete the floor,the hole is filled with broken pieces of brick, or other poroussubstance, which acts to absorb the water. The central tile is thencemented in position. The central drainage allows the tiles to set morequickly and firmly.

Having described my invention, whatftl claim is 1. A cave consisting ofa series of annular tiers each comprisinga series of tile-sections,

the upper sections of which have their edges converged toward theirupper ends and provided upon their lower edges with depending flangesfor overlapping the adjacent edges of the adjacent'sections, the lowersections having their upper edges provided with oif-set flanges foroverlapping the lower ends of adconvexed dome and formedof sectionsmeeting at the center of the dome to form an opening, of an annular-keyseated in the opening having a bore, and an external flange overlappingthe dome, the pipe passing through the bore, the ventilating-caparranged over the pipe, the operating rod depending through the ,pipeand connected to the dome, and friction-arms depending from the cap andengaging with the side of the pipe, substantially as specified.

3. The combination with a cave, of a stairway or cellar leading thereto,anchoringplates at opposite sides of the stair-way, and anchoring-rodsconnected to the plates and to the'stair-way, substantially asspecified,

4. The combination with a cave and a. stairway or cellar leadingthereto, of; eye-bolts passing through the side-walls of the. cellar,

opposite anchoringplates, eye-bolts passing therethrough, nuts for theeye-bolts, and an- From the foregoing description in connecchoringerodsconnecting the eye-bolts of the cellar and plates, substantially asspecified.

5. The combination with a cave having an opening, of a door-framelocated in'the opening, opposite side-Walls at the sides of the openingformed of a series of slabs, a connectin g end-wall, grooves in themeeting edges of the slabs, cement-fillings for the grooves, invertedU-shaped keys let into the ends of the slabs and crossing the fillings,a doorframe surmounting the walls, a hinged door my own I have heretoaffixecl my signature 1H for the frame, stairs arranged in the cellarthe presence of two witnesses. thus constructed, horizontal bracesbetween KER.v the door frame and stairs, bolts passing. ORLANDO OWEN WAL5 through the slabs and braces, and a flooring Witnesses:

for the cellar, substantially as specified. H. P. J AQUA,

In testimony that I claim the foregoing as WM. E. MILLER.

